iOptron iEAF — electronic automatic focuser for existing focusers The iOptron iEAF (#8453) is a compact motor unit that attaches to your telescope's existing Crayford or rack-and-pinion focuser and drives its focus shaft, adding computer-controlled and automatic focusing without replacing the focuser.
Manufacturer model: iOptron iEAF (#8453) · Specifications checked against manufacturer data on 2026-11-03
iOptron iEAF — electronic automatic focuser for existing focusers
The iOptron iEAF (#8453) is a compact motor unit that attaches to your telescope's existing Crayford or rack-and-pinion focuser and drives its focus shaft, adding computer-controlled and automatic focusing without replacing the focuser.
Simple USB operation
The iEAF is powered and controlled over a single USB 2.0 connection at 5 V, with no separate power supply needed. It supports ASCOM for use with common imaging and autofocus software. iOptron rates it for payloads up to 5 kg, with a maximum speed of 3 rpm.
Specifications
Manufacturer part number
8453
Compatible focusers
Crayford and rack-and-pinion, with suitable installation
iOptron iEAF — electronic automatic focuser for existing focusers The iOptron iEAF (#8453) is a compact motor unit that attaches to your telescope's existing Crayford or rack-and-pinion focuser and drives its focus shaft, adding computer-controlled and automatic focusing without replacing the focuser.
Manufacturer model: iOptron iEAF (#8453) · Specifications checked against manufacturer data on 2026-11-03
